Convertible work bench



FIG. 1 is a top left front perspective view of a convertible work bench showing my new design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a right side elevational view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a convertible work bench, as shown. 